About Helium
Helium builds self-improving software: AI systems that generate and test product experiences to improve customer conversion and revenue.
The role
Own substantial parts of Helium's AI experience-generation product. Work across frontend product development, scalable backend systems, data infrastructure, and ML-powered experimentation.
What you will do
- Build user-facing features in Next.js and React.
- Develop and operate scalable backend services in Go.
- Design data systems and ML infrastructure for automated experimentation.
- Improve performance and reliability as traffic grows.
- Work directly with founders and customers from idea through delivery.
What Helium is looking for
- Strong full-stack engineering fundamentals.
- Product ownership and comfort solving ambiguous problems.
- Experience shipping user-facing products.
- Clear communication across engineering, design, and customers.
- AI, LLM, high-scale backend, or early-stage startup experience is useful.
Work pattern
This is a full-time, in-person role in San Francisco. Helium says it works from the office Monday through Friday and often pushes through weekends; the source does not state fixed daily hours.
Senior scope and compensation
This role includes scoping complex projects and mentoring engineers. The source lists a $150,000–$250,000 base salary and 0.50%–1.50% equity.